Calling all conspiracy theorists..
settings-win.data.microsoft.com resolves to onesettings-db5.metron.live.com.nsatc.net
Guess which three letters will get the tim-foil hatters all riled up ;)
http://nsatc.net/ produces the standard Ubuntu Apache landing page.
IP address is 22.214.171.124 which looks to be in Brazil.
What are the South American data protection laws like?